Finding the Fourth Proportional to 816,167.21, 1,224,249.26 and 217,129.01
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Solution
The fourth proportional to 816,167.21, 1,224,249.26 and 217,129.01 is: 325,693.09
Step by Step Solution
- Step 1: Write the proportion equation
816,167.21 : 1,224,249.26 = 217,129.01 : x - Step 2: Convert to fraction form
816,167.21/1,224,249.26 = 217,129.01/x - Step 3: Cross multiply
816,167.21x = 1,224,249.26 × 217,129.01 - Step 4: Simplify right side
816,167.21x = 265,820,022,610.14 - Step 5: Solve for x
x = 265,820,022,610.14/816,167.21 - Step 6: Final answer
x = 325,693.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.